Chicago's Heating & Cooling Experts,
On Call When You Need Us
Furnace acting up on the coldest night of the year? AC giving out in July? Red Line HVAC keeps Chicago and the surrounding suburbs comfortable, all year, with technicians who show up on time and explain what they're doing.
Comfort, handled from every angle
Heating Services
From a furnace that won't start to a full system replacement, our technicians handle it with the urgency Chicago winters demand. Furnace repair, replacement, tune-ups, heat pumps, and ductless heating — all covered.
Cooling Services
When summer humidity rolls in off the lake, your AC doesn't get a day off. Neither do we. Repairs, installations, tune-ups, and ductless cooling systems, done right the first time.
Indoor Air Quality
The air inside your home matters as much as the temperature. Duct cleaning, UV germicidal lights, humidifiers, and air purifiers that make every room easier to breathe in.
Commercial HVAC
Downtime costs money. We keep offices, restaurants, and retail spaces across the Chicago area running with fast repairs and dependable maintenance contracts.
HVAC problems don't wait for business hours, and neither do we.
If your heat goes out at 2 a.m. in January, call 708-729-8020. A real person answers, and a technician gets dispatched.
Get Emergency Help Now
A little attention twice a year can save you thousands over the life of your system.
See Maintenance Plans →
From the city to the western, northern, and southern suburbs, Red Line HVAC is on the road every day.
See Areas We Serve →What Chicago-area homeowners say
“Thank you, Barbara, for your service. 100% recommended.”
“I am very happy to work with them, the work was done perfectly.”
“Oriana, Barbara, and the whole team were amazing, super knowledgeable and always there whenever I had questions. Everything turned out even better than I expected.”
“Thank you for your attention.”
Residential & commercial heating, cooling, and indoor air quality for Chicago and the suburbs.
Suite 1500, Oakbrook Terrace, IL 60181 24/7 Emergency Service Available